DRAGONFLY BUS

High-performance imaging satellite

DRAGONFLY BUS Core Specifications

DRAGONFLY BUS Technical Specifications

Attitude & Orbit control

Pointing control stability

< 0.002º/sec (3-sigma)

Pointing control accuracy

< 0.02º (3-sigma)

Slew rate

up to 2º/sec

Geolocation knowledge accuracy

< 65 m (3-sigma)

Control frequency

10 Hz

Fully automated AOCS

through target tracking

Xenon Electric Propulsion System

28 mN thrust, 1850s Isp

Communications

S-Band TMTC

400 kbps down, 150 kbps up

X-Band Data Downlink

1 Gbps

Electrical power system

Energy storage

up to 2400 Wh

Solar Array Peak Power

up to 1130 W

Orbit Average Power (OAP)

710 W

Peak power

4 kW

Bus Voltage

28 V (regulated) and 40.5 – 54.0V (unregulated)

Payload

Available mass

up to 250 kg

Available volume

1000 x 1000 x 1000+ mm

Available OAP

630 W

Electrical interfaces

TMTC

CANbus, RS422/RS485

Data

LVDS / SpaceWire / MGT

High Speed Data Recorder (HSDR)

4 TB

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